Understanding Right Angles

The video tutorial explains that a right angle is a 90-degree angle. It clarifies that 'right' in this context means 'upright' rather than 'correct,' using the example of a guillotine. The tutorial also describes how to identify right angles by drawing a small square and notes that all angles in a square are right angles, suggesting this might be coincidental.

What is the measure of a right angle?

• 90 degrees

• 45 degrees

• 180 degrees

• 360 degrees

What does the term 'right' in 'right angle' signify?

• Upright

• Left

• Correct

• Wrong

Which of the following statements is true about angles?

• Right angles are always 180 degrees.

• Right angles are always incorrect.

• There are wrong angles.

• All angles are correct.

How do we indicate a right angle in a drawing?

• By drawing a small rectangle

• By drawing a small square

• By drawing a small triangle

• By drawing a small circle

What type of angles are found in a square?

• Reflex angles

• Right angles

• Obtuse angles

• Acute angles